CN213702020U

CN213702020U - Positioning fixture for bearing bush cutting

Info

Publication number: CN213702020U
Application number: CN202022241744.6U
Authority: CN
Inventors: 刘仁宽
Original assignee: Jiangsu Feiyue Bearings Co ltd
Current assignee: Jiangsu Feiyue Bearings Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-16
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a positioning fixture is used in bearing bush cutting, comprises a workbench, the top fixedly connected with mount of workstation, the top fixed mounting of mount has electric hydraulic cylinder, electric hydraulic cylinder's output fixedly connected with second motor, the output fixedly connected with cutting piece of second motor, one side fixedly connected with at mount top connects the platform. The utility model has the advantages that: through control switch, make first motor work, drive the screw rod and rotate, because slide bar and dead lever spacing each other, prevent the lantern ring and rotate, and then make things convenient for the screw rod to promote the lantern ring and move down, make the fly leaf drive the extrusion piece fixed axle bush downwards, make second motor and electric hydraulic cylinder work again, electric hydraulic cylinder down promotes the second motor, make things convenient for the cutting piece to cut the axle bush, whole design, the fixed axle bush of different models and size of person of facilitating the use, fixed effect is also relatively good simultaneously, the practicality is stronger.

Description

Positioning fixture for bearing bush cutting

Technical Field

The utility model belongs to the technical field of the axle bush processing, concretely relates to positioning fixture is used in axle bush cutting.

Background

The bearing bush is the part of the sliding bearing contacted with the shaft neck, is in the shape of a tile-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, and can be made of wood, engineering plastics or rubber under special conditions. The bearing shell is divided into a single-piece type and a split type, and the single-piece type bearing shell is generally called a shaft sleeve. The integral bearing bush has two types of oil grooves and oil grooves. The bearing bush and the shaft neck adopt clearance fit and generally do not rotate along with the shaft.

In the axle bush course of working, the cutting is indispensable few step, but can not carry out fine fixed to not unidimensional axle bush at the positioning fixture that current axle bush cutting was used, and the centre gripping model is comparatively single, and the clamping-force inconvenient control to the axle bush simultaneously leads to the clamping-force to the axle bush too big easily for the axle bush damages or warp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture is used in bearing bush cutting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning clamp for bearing bush cutting comprises a workbench, wherein a fixed frame is fixedly connected to the top of the workbench, an electric hydraulic cylinder is fixedly mounted at the top end of the fixed frame, a second motor is fixedly connected to the output end of the electric hydraulic cylinder, a cutting blade is fixedly connected to the output end of the second motor, a connecting table is fixedly connected to one side of the top of the fixed frame, a first motor is fixedly mounted at the top of the connecting table, a screw rod is fixedly connected to the output end of the first motor, the screw rod penetrates through one end of the connecting table and is in threaded connection with a lantern ring, connecting blocks are fixedly connected to two sides of the lantern ring, connecting rods are fixedly connected to the bottoms of the two connecting blocks, one ends of the two connecting rods are fixedly connected to the top end of a movable plate, slide rods are fixedly connected to two sides of the top of the, the bottom fixedly connected with extrusion piece of fly leaf, the top of workstation is fixed and is equipped with pressure sensor, one side fixedly connected with bearing plate of pressure sensor.

Preferably, the interior of the lantern ring is provided with a thread matched with the screw rod.

Preferably, a rubber pad is fixedly arranged at the bottom of the extrusion block.

Preferably, one side of workstation fixed mounting has display screen and switch in proper order, the display screen loops through pressure sensor and switch and external power supply electric connection, first motor, second motor and electric hydraulic cylinder all pass through switch and external power supply electric connection.

Preferably, the slide grooves are formed in one ends of the fixing rods, the inner portions of the slide grooves are in sliding connection with the outer surfaces of the two slide rods respectively, and the other ends of the two fixing rods are fixedly connected with the two sides of the bottom end of the connecting table.

Preferably, the two sides of the bottom of the workbench are fixedly connected with supporting legs, and the bottoms of the two supporting legs are fixedly provided with anti-slip pads.

Preferably, a bearing is arranged at the joint of the connecting table and the first motor.

Preferably, the top of the bearing plate is provided with an arc-shaped groove, and an adsorption disc is arranged in the arc-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a bearing bush, including the fixed pole of slide bar and dead lever, the fixed pole is fixed with the movable plate, through control switch, make first motor work, drive the screw rod and rotate, because slide bar and dead lever spacing each other, prevent the lantern ring and rotate, and then make things convenient for the screw rod to promote the lantern ring and move down, make the movable plate drive the extrusion piece bearing bush of fixing downwards, make second motor and electric hydraulic cylinder work again, electric hydraulic cylinder down promotes the second motor, make things convenient for the cutting piece to cut the bearing bush, whole design, the fixed different models of person of facilitating the use and the axle bush of size, fixed.

(2) When the movable plate drives the extrusion block to extrude the bearing bush downwards, the bearing plate can receive acting force, the acting force can be transmitted to the pressure sensor, the pressure sensor can feed back acting force information on the display screen, and under suitable pressure data, the first motor is stopped through the switch, so that the clamping force is prevented from being too large, and the bearing bush is damaged or deformed

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the connection of the electric hydraulic cylinder of the present invention;

fig. 4 is a schematic view of the chute structure of the present invention.

In the figure: 1. a work table; 2. a connecting table; 3. a first motor; 4. a fixed mount; 5. cutting the slices; 6. a display screen; 7. a switch; 8. a pressure sensor; 9. a bearing plate; 10. a rubber pad; 11. extruding the block; 12. a movable plate; 13. a slide bar; 14. a screw; 15. fixing the rod; 16. a connecting rod; 17. connecting blocks; 18. a collar; 19. a second motor; 20. an electric hydraulic cylinder; 21. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a positioning fixture for cutting bearing bush, which comprises a workbench 1, a fixed frame 4 is fixedly connected to the top of the workbench 1, an electric hydraulic cylinder 20 is fixedly installed on the top of the fixed frame 4, a second motor 19 is fixedly connected to the output end of the electric hydraulic cylinder 20, a cutting blade 5 is fixedly connected to the output end of the second motor 19, a connecting table 2 is fixedly connected to one side of the top of the fixed frame 4, a first motor 3 is fixedly installed on the top of the connecting table 2, a screw 14 is fixedly connected to the output end of the first motor 3, a lantern ring 18 is connected to one end of the screw 14 passing through the connecting table 2 through a thread, connecting blocks 17 are fixedly connected to both sides of the lantern ring 18, connecting rods 16 are fixedly connected to the bottoms of both connecting blocks 17, one ends of both connecting rods 16 are fixedly connected to the top of a movable, one end of each of the two sliding rods 13 is slidably connected with a fixed rod 15, the bottom of the movable plate 12 is fixedly connected with an extrusion block 11, the top end of the workbench 1 is fixedly provided with a pressure sensor 8, and one side of the pressure sensor 8 is fixedly connected with a bearing plate 9.

In this embodiment, preferably, the inside of the sleeve ring 18 is provided with a thread matched with the screw 14, so that the screw 14 can drive the sleeve ring 18 to move.

In this embodiment, preferably, the bottom of the extrusion block 11 is fixedly provided with a rubber pad 10, so as to facilitate better clamping of the bearing bush and avoid damage to the bearing bush.

In this embodiment, preferably, one side of the workbench 1 is sequentially and fixedly provided with the display screen 6 and the switch 7, the display screen 6 is sequentially electrically connected with the external power supply through the pressure sensor 8 and the switch 7, and the first motor 3, the second motor 19 and the electric hydraulic cylinder 20 are all electrically connected with the external power supply through the switch 7, so that the first motor 3, the second motor 19 and the electric hydraulic cylinder 20 are conveniently controlled.

In this embodiment, preferably, one end of the fixing rod 15 is provided with a sliding chute 21, the insides of the two sliding chutes 21 are respectively connected with the outer surfaces of the two sliding rods 13 in a sliding manner, and the other ends of the two fixing rods 15 are fixedly connected with two sides of the bottom end of the connecting platform 2, so that the sliding rods 13 can move up and down in the sliding chutes 21 conveniently.

In this embodiment, preferably, the equal fixedly connected with supporting legs in both sides of 1 bottom of workstation, and the bottom of two supporting legs is all fixed and is equipped with the slipmat for equipment is placed more stably.

In this embodiment, preferably, a bearing is provided at the joint between the connection table 2 and the first motor 3, so as to prolong the service life of the screw 14.

In this embodiment, preferably, the arc-shaped groove has been seted up at the top of bearing plate 9, is equipped with the adsorption disc in the arc-shaped groove, conveniently fixes a position the axle bush fast.

The utility model discloses a theory of operation and use flow: when the device is used, the bearing bush is placed on the arc-shaped groove of the bearing plate 9, the bearing bush is pressed downwards to enable the adsorption disc to adsorb and fix the bearing bush, then the switch 7 is controlled to enable the first motor 3 to work, the first motor 3 drives the screw rod 14 to rotate, the rotation of the lantern ring 18 is prevented due to the mutual limiting of the fixed rod 15 and the slide rod 13, so that the screw rod 14 pushes the lantern ring 18 to move downwards, the slide rod 13 moves downwards in the sliding groove 21 on the fixed rod 15 simultaneously until the extrusion block 11 contacts the bearing bush, at the moment, the pressure sensor 8 collects the acting force on the bearing plate 9 and feeds information back to the display screen 6, at the moment, the extrusion block 11 still moves downwards, a user controls the switch 7 according to the data of the display screen 6 under the appropriate data to stop the first motor 3, the extrusion block 11 stops extruding downwards, at the moment, the switch 7 is controlled again to enable the second motor 19 and the electric hydraulic cylinder 20 to work, the second motor 19 drives the cutting blade 5 to work, the electric hydraulic cylinder 20 drives the cutting blade 5 to move downwards, and therefore cutting is completed, and the model of the pressure sensor 8 is PT 124G-210.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning fixture is used in bearing bush cutting, includes workstation (1), its characterized in that: the top of the workbench (1) is fixedly connected with a fixing frame (4), the top end of the fixing frame (4) is fixedly provided with an electric hydraulic cylinder (20), the output end of the electric hydraulic cylinder (20) is fixedly connected with a second motor (19), the output end of the second motor (19) is fixedly connected with a cutting blade (5), one side of the top of the fixing frame (4) is fixedly connected with a connecting table (2), the top of the connecting table (2) is fixedly provided with a first motor (3), the output end of the first motor (3) is fixedly connected with a screw rod (14), one end of the screw rod (14) penetrating through the connecting table (2) is in threaded connection with a lantern ring (18), two sides of the lantern ring (18) are both fixedly connected with connecting blocks (17), the bottoms of the two connecting blocks (17) are both fixedly connected with connecting rods (16), and one end of the two connecting rods (16) is both fixedly connected with, the utility model discloses a pressure sensor, including workstation (1), the equal fixedly connected with slide bar (13) in both sides at fly leaf (12) top, two the equal sliding connection in one end of slide bar (13) has dead lever (15), the bottom fixedly connected with extrusion piece (11) of fly leaf (12), the fixed pressure sensor (8) that are equipped with in top of workstation (1), one side fixedly connected with bearing plate (9) of pressure sensor (8).

2. The positioning jig for cutting bearing bushes of claim 1, characterized in that: the interior of the lantern ring (18) is provided with threads matched with the screw rod (14).

3. The positioning jig for cutting bearing bushes of claim 1, characterized in that: and a rubber pad (10) is fixedly arranged at the bottom of the extrusion block (11).

4. The positioning jig for cutting bearing bushes of claim 1, characterized in that: one side of workstation (1) is fixed mounting in proper order has display screen (6) and switch (7), display screen (6) loop through pressure sensor (8) and switch (7) and external power supply electric connection, first motor (3), second motor (19) and electric hydraulic cylinder (20) all through switch (7) and external power supply electric connection.

5. The positioning jig for cutting bearing bushes of claim 1, characterized in that: two spout (21) have been seted up to the one end of dead lever (15), two the inside of spout (21) respectively with the surface sliding connection of two slide bars (13), and the other end of two dead levers (15) all with the both sides fixed connection of being connected platform (2) bottom.

6. The positioning jig for cutting bearing bushes of claim 1, characterized in that: the supporting legs are fixedly connected to two sides of the bottom of the workbench (1), and anti-slip pads are fixedly arranged at the bottoms of the two supporting legs.

7. The positioning jig for cutting bearing bushes of claim 1, characterized in that: and a bearing is arranged at the joint of the connecting table (2) and the first motor (3).

8. The positioning jig for cutting bearing bushes of claim 1, characterized in that: the top of the bearing plate (9) is provided with an arc-shaped groove, and an adsorption disc is arranged in the arc-shaped groove.